Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2018

Net Loss Per Common Share

Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except share and per share amounts):

	Year Ended December 31,
	2018		2017
Numerator:
Net loss	$	(17,754)	$	(21,100)
Denominator:
Weighted-average common shares outstanding		16,413,733		12,640,094
Less: weighted-average unvested common shares subjected to repurchase		(41,095)		(155,110)
Weighted-average common shares outstanding used to calculate net loss per common share, basic and diluted		16,372,638		12,484,984
Net loss per common share, basic and diluted	$	(1.08)	$	(1.69)

Schedule of Potentially Dilutive Securities Excluded from Diluted Net Loss Per Common Share

	Year Ended December 31,
	2018	2017
Options to purchase common stock	1,475,299	1,593,195
Restricted stock units	93,560	30,680
Common stock subject to repurchase	—	96,153
Common stock warrants	27,836	27,690
Total	1,596,695	1,747,718